Main Features:- 4K x 2K decoding will bring you the wonderful feeling of video and game playing- 3D graphics acceleration will give you the real feeling of scenery- RK3229 quad-core CPU is rapid and stable which can give you high-speed feedback - Android 5.1 system will bring you the surprise of using experience - 2.4GHz WiFi will simply connect to any network with any security type and stream your favorite content without the hassles of wires- With 16.1 version supports local high-definition play and plug-in installation- The remote control is powered by 2 x AAA battery ( not included )